*::after, *::before {
  box-sizing: border-box;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


html,body{
  overflow: hidden;
}

section{
  display: flex;
  flex-flow: column wrap;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom, #f1f4f9, #FFFFFF);
  min-height: 100vh;
}

section::before{
  content: '';
  display: block;
  width: 100%;
  height: 50%;
  position: absolute;
  bottom: 0;
  z-index: 10;
  border-top: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
}

section .color{
  position: absolute;
  filter: blur(150px);
}

section .color:nth-child(1) {
  top: 0;
  left: 100px;
  background: #ff359b;
  height: 600px;
  width: 100%;
}

section .color:nth-child(2) {
  bottom: 0;
  right: 0;
  background: #fffd87;
  height: 500px;
  width: 800px;
}

section .color:nth-child(3) {
  bottom: 50px;
  left: 0;
  background: #00d2ff;
  height: 500px;
  width: 500px;
}

ul{
  position: inherit;
  z-index: 9;
  display: flex;
}

ul li{
  list-style: none;
  margin: 10px;
}

ul li a{
  position: relative;
  top: 0;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #FFF;
  font-size: 2em;
  border: 1px solid rgba(255,255,255,.4);
  border-right: 1px solid rgba(255,255,255,.2);
  border-bottom: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(4px);
  z-index: 1;
  box-shadow: 0 5px 45px rgba(0,0,0,.1);
  text-decoration: none;
  overflow: hidden;

  transition: top .5s, z-index 0s, transform .5s;
  transition-delay: .5s,.5s,0s;
}

ul li a:hover {
  top: -50px;
  transform: translateY(50px);
  transition-delay: 0s,.5s,.5s;
  z-index: 22;
}

ul li a::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  height: 100px;
  background: rgba(255,255,255,.5);
  transform: skewX(45deg) translateX(150px);
  transition: .5s;
}

ul li a:hover::before {
  transform: skewX(45deg) translateX(-150px);
}